﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Gebra
{
    public abstract class Operand
    {
        /// <summary>
        /// Evaluate this operand.
        /// </summary>
        /// <returns>Result of evaluation.</returns>
        public abstract Operand Evaluate();
    }
}
